Mdxhealth Announces The Appointment Of Michael Holder To Board Of Directors And Announces Key Management Change
MDxHealth names Michael Holder as Audit Chair, succeeding Regine Slagmulder; CFO Ron Kalfus to step down by July 30, 2025.
Breaking News
Jul 04, 2025
Simantini Singh Deo

MDxHealth SA, a precision diagnostics company, has announced the appointment of Michael Holder to its Board of Directors as the new Chair of the Audit Committee. He will succeed Regine Slagmulder, whose term ended in May. Michael Holder brings over three decades of experience in leadership roles across the biotech, medtech, health tech, pharma, and wellness industries. Throughout his career, he has served in nine board positions, as CEO of four companies, and as CFO of five organizations.
His background includes expertise in corporate strategy, mergers and acquisitions, governance, and improving sales performance. He has also led a $250 million private investment firm and most recently served as CEO of Sensable Health, a company focused on AI-driven wellness solutions. He currently holds board roles at Cytek Biosciences Inc. and Keyron Medical Ltd. Mr. Holder holds an MBA from the Wharton School and a BS in Business from the University of North Carolina, and he previously qualified as a Certified Public Accountant.
Michael K. McGarrity, CEO, said in a statement, “We are incredibly excited to welcome Michael Holder to our Board of Directors as the Chair of our Audit Committee. Michael’s remarkable 30-plus years of diverse experience across the biotech, medtech, and pharma industries, combined with his deep expertise in corporate strategy, fundraising, and his financial acumen, will be invaluable as we continue to generate industry-leading growth within the urology markets that we serve.”
Mr. McGarrity stated, “On behalf of mdxhealth, I would like to thank Ron for his partnership and contributions during a period of significant growth for our company over the last 6 years. Ron has been a valuable member of our executive leadership team, and we wish him the very best in his future endeavors.”
Koen Hoffman, Board Chair, mentioned, “On behalf of the Board of Directors, I would like to welcome Michael Holder and thank Regine Slagmulder for her valued service as Chair of our Audit Committee, as well as Ron Kalfus for his service as CFO. Over the years, Regine and Ron have significantly contributed to our progress with the utmost integrity, professionalism and expertise.”
MDxHealth also announced that Ron Kalfus will step down from his position as Chief Financial Officer to explore other career opportunities. He will remain in the CFO role until his departure on July 30, 2025. Following his exit, Scott McMahan, currently Vice President of Finance and Accounting, will assume the CFO responsibilities on an interim basis.